check my work please!
posted by annaiiz on .
ok i have to divide complex numbers:
question is: 12i+i^3/1+i
this is what i did:
12i+i(i)/1+i
12ii^2/1+i
12ii(1)/1+i
12i+i/1+i
13i/1+i*1i/1i
1i3i+3i^2/1i+ii^2
1i3i+3(1)/1i^2
1i3i3/1(1)
14i3/2
24i/2
my answer is 2i1
is that right?

ok i have to divide complex numbers:
question is: 12i+i^3/1+i
this is what i did:
12i+i(i)/1+i
12ii^2/1+i
12ii(1)/1+i
12i+i/1+i
13i/1+i*1i/1i
1i3i+3i^2/1i+ii^2
1i3i+3(1)/1i^2
1i3i3/1(1)
14i3/2
24i/2
my answer is 2i1
is that right?